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Someone explain OCing the 9700 128 to me

post #1 of 5
6/3/04 at 2:36am
Thread Starter 
Got my CL56 yesterday and with omega drivers and directx9b it had a 3dmark03 score of 2800. I saw Rincewind pushed his way above that to 3420. While I'd like to increase my score as well, I'm not really sure if I should or not. I've never OC'd anything before. I know there are the obvious risks of damaging the hardware, but how serious are these risks? Would it be perfecly OK for Rince, or someone like meto use that OC'd lappy with those settings everday? I'd like to atleast push it over 3000, but like I said, I know nothing about OCing. I got powerstrip today, saw the clock settings that Rincewind used. Is that all I need to do? Just raise those 2 bars for clock speed up in powerstrip? And how far is too much? Can I leave it OCd all the time? Thanks!
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post #2 of 5
6/3/04 at 3:16am
Well, overclocking anything over long periods of time on a laptop is pretty risque because of the limited cooling/thermal design. its not like a desktop system where you have 5 case fans and a huge heatsink/fan for your GPU and CPU...

you need to be mindful and careful when changing these settings.

when i overclocked my gpu to 480core 255mem, they were to test the overclocking limits that the notebook could handle and were only run for 1 minute during the time it took to run the benchmark itself. so no harm done really. i would NOT recommend that you run at your overclock limit for extended periods of time.

if you require the speed increase for a particular game (i only feel that i need it when i play farcry, every other game runs beautifully and fast/smooth) than i would recommend that a 5-15% overclock is safe, as long as its for a few hours and you are in an ideal setting like playing on a flat surface or on a notebook cooler.

if you wish to get the highest score possible to test the limits of your gpu, than i'd bump the core/clock slowly up and test to see if you have artifacts and then run benchmarks to see what you get...reset them aterwards when ur done testing
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post #3 of 5
6/3/04 at 3:22am
3dmark03 score calculates pureply gpu power
if you took an athlon64 3400+ with ati radeon 9800 pro and it scored 7000
and you took celeron with ati radeon 9800 pro it would score a 7000 also
it does not take into acount cpu speed/ram/etc

aquamark03 is a better benchmark for representing overall system performance, but again, it is still largely gpu dependant, but the diffrence in score will reveal performance differences in other factors that contributed to your score, aside from the gpu itself...

same goes with all other standardize benchmarks for todays games etc.

benchemall (google it) is a nice program which allows you to benchmark the latest games on a standard test that they have... the only catch is that you need to own the game that you want to benchmark... (no biggie really if your a gamer)
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post #4 of 5
6/3/04 at 12:01pm
Thread Starter 
ok, but about the aquamark score...how else did you tune it besides OCing the gpu and omega drivers?
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post #5 of 5
6/3/04 at 12:37pm
On a laptop, because of possible heat issues, I would recommend that you use a program like radlinker (hopefully this works with a 9700 mobility) to set up per-application overclock settings.

To ensure that your overclock settings are safe, you should extensively test them to make sure that they do not result in artifacts. Also, remember that heat builds up over time, so any test you carry out should be looped for at least 30 minutes or an hour. Furthermore, use as high a resolution as possible and turn antialiasing/anisotropic filtering on, to make sure the your memory is fully used and your core is stressed.

Some good tests to carry out are the following:
3dmark 2001se nature test -- After 10-15 loops It will show usually show severe artifacts if your memory is too hot or clocked too high.

rthdribl -- Leave this running for a while, it really stresses the core, and will show artifacts if it is clocked too high. Get it from here.

Some other programs to use are: 3dmark 2003 nature and pixel shader tests, Humus' Demos (especially water), and of course your games.

For more advise, look into the Rage3d messageboards overclocking section.
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